高一英語-虛擬語氣用法講解課件

1、Subjunctive Mood 用來表示說的話不是事實， 或者是不可能發(fā)生的情況， 而是一種愿望，建議，假設(shè)的 語氣叫虛擬語氣。 Part 1在非真實條件狀語從句中 If , 。1. 與現(xiàn)在事實相反：If + 主語 +_ , 主語+ _ _ .If I _ time now, I _ with you. (have, go)hadwould godid/were would/should/could/ might do 2. 與過去事實相反：If +主語+_, 主語+ _ .If I _ hard, I _ in the exam. (not study, fail)had not stud

2、iedwould have failedhad donewould/should/could/might have done 用法歸納:虛擬語氣在條件狀語從句中的用法主從 句構(gòu) 成時態(tài)虛擬條件 從句(if )主 句 與現(xiàn)在事實相反的 假設(shè) 與過去事實相反的 假設(shè)If + 主語 + did (be用 were)主語 + would/ should/could/ might +do If + 主語 + had done主語 + would/ should/could/ might have done 主從 句構(gòu) 成虛擬條件從句(if)主 句 與將來情況相反的 假設(shè)If + 主語 + did If

3、+ 主語 +were to do If + 主語 + should do主語 + would/ should/could/ might do時態(tài)Fill in the blanks with proper forms:1. If I _ (have) more time, I _ (learn) another foreign language.2. If he _ (be) here now , he _ (show) us how to perform the experiment.3. If I _ (receive) your e mail then, I _ it . (answer

4、)hadwould learnwerewould showhad receivedwould have answeredPractice 4. If we _ (not rely) on our own strength, we _ (die) of starvation.hadnt reliedwould have died5. If I _ (tell) him tonight, he _ (be) greatly surprised.6. I _ (ask) him to ring you up if I _ (see) him.7. If you _ (get) back next w

5、eek, we _ (go) camping together.told/were to tell/should tellwould bewould asksaw / should see / were to seegot/should get/were to tellwould go2. If 可能被省略,從句要倒裝Were she in charge (= If she were in charge) , she would do things differently.Had I known your address (= If I had known your address) , I

6、would have written before.Should you change your mind (= If you should change your mind), no one would blame you.1Without examinations，students today _ (live) a much happier life.2.I was busy yesterday, or/otherwise I _ (come) to help you.3.He_ (succeed), but he was too careless.Note : 有時不用條件狀語從句, 而

7、用介詞短語, or, otherwise 或but 引導的并列句等來表示某種假設(shè)的情況, 叫做含蓄條件句。 would livewould have comecould have succeeded,4 You are late. If you _ a little minutes earlier, you _ him.A came, would meet B had come, would have met 5 But for the storm, we _ a pleasant journey. A should have B have had C would have D should

8、have had 6 _ earlier, I could have done something.A Have I been informed B Had I been informed C I had been informed7 _ to do the work, I should do it some other day. A If were I B I were C Were I D Was I8 Without the computer, the problem _ in such a short time. A couldnt be solved B wouldnt have s

9、olved C couldnt have been solved 9 Without electricity, human life _ quite different today. A will be B would be C is Wish In Subjunctive moodPart2I wish I were as tall as you.I wish I were a butterfly.I wish I hadnteaten so much watermelon.1)as if / as thoughas if / as though + past subjunctivePart

10、 3在 command, order , require ,demand, request, insist, propose, suggest等動詞后面的賓語從句，要用虛擬語氣，其謂語動詞用(should) +動詞原形We suggest that we (should) have a meeting.We insisted that they (should) go with us.記住：insist / suggest 各有兩種意思，要用不同的語氣 Insist 表示“堅決要求”時，用虛擬形式，即 should + do; Insist 表示“堅稱，堅持說”時，用陳述語氣，表示事實。 Su

11、ggest 表示“建議”時，用虛擬形式。 Suggest 表示“表明、暗示”時，用陳述語氣。 1.He suggested that we _ it at once.(do)2.His pale face suggested that he _ ill. (be)3.We insisted that the meeting _ off.( put)4.Mike insisted that he _ nothing.(steal)should dowasshould be putstole.在主語從句中，謂語動詞可以用虛擬語氣表示驚奇，不相信，惋惜，理應(yīng)如此等主觀的情感,其謂語動詞用(shoul

12、d) +動詞原形。1.It is important that we (should) clean the room every day. (necessary, natural, strange,etc. )2.It is a pity that you (should) be so careless. (a shame, no wonder, etc.)3.It is suggested that Miss Liu (should) give a performance at the party.( decided, ordered, requested, proposed,etc). I

13、f only 意為：若是.那該多好啊; 真希望.; 只要, 只要.就好If only I had arrived in time!If only she didnt drive so fast.If only I were a bird.If only I had taken his adviceIt is (high) time that did/should do （should不可?。?It is time that we left school.would rather that did/had doneI would rather Tom played with me.-Can I smoke here? -Id rather you didnt.I would rather he painted it blue.I would rather you had gon